A Korean diplomat is dispatched to Afghanistan when a group of South Korean tourists is taken hostage by the Taliban. When all measures fail and one hostage is killed, he is forced to team up with a special agent to rescue the survivors.

After spending his 20s getting over a crush, Seunghyun vowed to never give his heart to someone in the same field again. Enter Jongchan, Seung Hyun's tough new boss with a surprising soft side. Will Seung Hyun's first job and first relationship be a success?